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Sony MDX-C5970R service manual 15, OPTICAL PICK-UP KMS-241B/J1NP

Models: MDX-C5970 MDX-C5970R

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Page 15

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OPTICAL PICK-UP (KMS-241B/J1NP)

4 screw

(B2 × 3)

6 bearing (SL)

5 feed screw ass’y

7optical pick-up (KMS-241B/J1NP)

	3 screw
1 two screws	(K2 × 3)
1 two screws
(K2 × 3)

2shaft (SL2)

SL MOTOR ASS’Y (SLED) (M902), SP MOTOR ASS’Y (SPINDLE) (M901)

	4 screw
	(P1.7 × 1.8)
9 two screws
(P1.7 × 1.8)	5 bracket (SL)

6 SL motor ass’y (sled) (M902)

!¼ retainer (SP)

7 screw

		(B2 × 3)
	!Á SP motor ass’y	8 base (SL)
	(spindle) (M901)	8 base (SL)
	(spindle) (M901)

2two screws

(2 × 8)

3sensor board

1Remove solders of motors (M901, M902)

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Page 15

Image 15

Sony MDX-C5970R service manual 15, OPTICAL PICK-UP KMS-241B/J1NP

Contents

German Model SPECIFICATIONSSERVICE MANUAL MDX-C5960R/C5970/C5970RNOTES ON LASER DIODE EMISSION CHECK Notes on chip component replacementFlexible Circuit Board Repairing – 2 –TABLE OF CONTENTS 1.GENERAL 4.DIAGRAMS– 3 – SECTION GENERAL – 4 –This section is extracted from instruction manual – 5 – – 6 – – 7 – – 8 – – 9 – MECHANISM DECK MG-164N-138 SECTION DISASSEMBLY– 10 – SUB PANELSERVO BOARD MAIN BOARD, HEAT SINK– 12 – MD COVER ASS’YFLOAT BLOCK – 13 – LO MOTOR ASS’Y LOADING M903LEVER LE ASS’Y – 14 – HOLDER ASS’YCHUCKING ARM ASS’Y OPTICAL PICK-UP KMS-241B/J1NP – 15 –Procedure SECTION ELECTRICAL ADJUSTMENTSFM Auto Scan/Stop Level Adjustment Setting– 17 – AM MW Auto Scan/Stop Level AdjustmentRDS S-MeterAdjustment MDX-C5960R/C5970R Adjustment LocationMDX-C5960R/C5970/C5970R SECTION DIAGRAMS 4-1.BLOCK DIAGRAM – SERVO Section –– 19 – – 22 – BLOCK DIAGRAM – TUNER Section –MDX-C5960R/C5970/C5970R – 21 –MDX-C5960R/C5970/C5970R BLOCK DIAGRAM – MAIN Section –– 23 – – 24 –MDX-C5960R/C5970/C5970R 4-4.BLOCK DIAGRAM – DISPLAY/KEY CONTROL Section –– 25 – – 26 –– 27 – – 28 –MDX-C5960R/C5970/C5970R Note on Printed Wiring Board Note on Schematic DiagramMDX-C5960R/C5970/C5970R • Semiconductor 4-7.PRINTED WIRING BOARD – SERVO Board –– 31 – – 32 –MDX-C5960R/C5970/C5970R 4-8.SCHEMATIC DIAGRAM – SERVO Board 1/3 –– 33 – – 34 –Page – 35 –– 36 – MDX-C5960R/C5970/C5970Rno mark : MD PLAY ∗: Impossible to measure Page – 38 –MDX-C5960R/C5970/C5970R PageMDX-C5960R/C5970/C5970R – 39 –– 40 – •Semiconductor Location Component SideMDX-C5960R/C5970/C5970R – 41 –– 42 – • Semiconductor Location Conductor Sideno mark FM – 43 –MDX-C5960R/C5970/C5970R PageMDX-C5960R/C5970/C5970R 4-14.SCHEMATIC DIAGRAM – MAIN Board 2/4 –– 45 – – 46 –no mark : FM – 47 –MDX-C5960R/C5970/C5970R Page PagePage Page 44 Page Page – 49 –– 50 – MDX-C5960R/C5970/C5970R• Semiconductor Location Component Side 4-17.PRINTED WIRING BOARD – KEY Board –– 51 – – 52 –MDX-C5960R/C5970/C5970R – 53 –– SERVO Board – – 55 –– 56 – WaveformsIC301 CXD2652AR •IC Block Diagrams – SERVO Board –– 57 – IC101 PCM1718E/2K– 58 – IC302CXA2523R IC305 – 59 –IC303 BH6511FS-E2IC102 – 60 –IC100 TDA7427ADIC600 – 61 –IC300 TDA7462D013TR– 62 – 4-19.IC PIN FUNCTION DESCRIPTION•SERVO BOARD IC301 CXD2652AR – 63 – – 64 – – 65 – – 66 – • SERVO BOARD IC501CXP84340-201QMD MECHANISM CONTROLLER – 67 – •MAIN BOARD IC700 MASTER CONTROLLER – 68 –– 69 – – 70 – – 71 – 5 4 3 2 SECTION EXPLODED VIEWS– 72 – 1GENERAL SECTION 7 11– 73 – 2FRONT PANEL SECTION67 62 5759 5558 60 104 103 103 102 101 – 74 –3MECHANISM DECK SECTION-1 MG-164N-138 112 111#6106 107 110 109 105160 – 75 –4MECHANISM DECK SECTION-2 MG-164N-138 157 164 166– 76 – SECTION ELECTRICAL PARTS LIST– 77 – – 78 – MAINMAIN – 79 –MAIN – 80 –MAIN – 81 –MAIN – 82 –MAIN SENSORSERVO – 83 –SERVO – 84 –SERVO – 85 –Sony Corporation – 86 –501502 MDX-C5960R/C5970/C5970R